Haley has proven to be a hi

When US President Donald Trump takes the world stage at the UN for the first time this week Patrick Kane Jersey , he was expected to share the spotlight with his envoy Nikki Haley, who has emerged as the surprising public face of US foreign policy.

Haley has proven to be a high-profile member of Trump's administration, at times overshadowing Secretary of State Rex Tillerson, the former chief executive of Exxon Mobil Corp, despite her lack of previous foreign policy experience, diplomats say.